{"id":"deif-apu-4-29b09bb3a7","name":"APU-4","manufacturer":"DEIF","category":"protection","description":"DEIF APU-4: protection or metering reference for protection-panel and metering arrangement. Manufacturer reference ml-2-2d-cad-drawings.zip; ml-2-3d-step-files.zip; ml-2-controller-2d-pdf.pdf.","equipment":["APU-4","MDR-2"],"keywords":["APU-4","","Unclassified electrical reference","protection","protection-panel and metering arrangement","protection or metering reference","ml-2-2d-cad-drawings.zip","ml-2-3d-step-files.zip","ml-2-controller-2d-pdf.pdf","ml-2-controller-3d-pdf.pdf","MDR-2"],"markets":["Global"],"marketNote":"Confirm the exact regional configuration against the selected manufacturer drawing.","kind":"product","sourceUrl":"https://www.deif.com/documentation/apu-4/","officialEvidenceUrl":"https://www.deif.com/documentation/apu-4/","sourcePublisher":"DEIF","formats":["PDF","ZIP"],"availability":"request","accessNote":"Source-only. Open the manufacturer reference or request the drawing for your selected equipment.","checkedAt":"2026-11-04","files":[{"id":"608a79b0102251d23b8d","name":"ml-2-2d-cad-drawings.zip","format":"ZIP","purpose":"Manufacturer drawing reference ml-2-2d-cad-drawings.zip","url":"https://deif-cdn-umbraco.azureedge.net/media/2j3ezggw/ml-2-2d-cad-drawings.zip?rnd=133627573532730000&v=9","availability":"direct","sha256":"608a79b0102251d23b8d74b2d650d8cf5a6a919341130e378c5a707fcca52b08","bytes":1180965,"retrievedAt":"2026-11-04T00:41:17Z","filenameBasis":"source-url","revision":"","hosted":false,"redistribution":"restricted","validation":"archive-inspected","documentNumber":"ml-2-2d-cad-drawings.zip","rightsReview":{"checkedAt":"2026-11-04","sources":["https://deif-cdn-umbraco.azureedge.net/media/2j3ezggw/ml-2-2d-cad-drawings.zip?rnd=133627573532730000&v=9","https://www.deif.com/terms-of-use/"],"note":"The DEIF terms apply across its group websites and require written permission for public copying, republication, uploading and distribution."}},{"id":"9770ea49aef7ae7b90fc","name":"ml-2-3d-step-files.zip","format":"ZIP","purpose":"Manufacturer drawing reference ml-2-3d-step-files.zip","url":"https://deif-cdn-umbraco.azureedge.net/media/w0xgfpmj/ml-2-3d-step-files.zip?rnd=133627573776900000&v=9","availability":"direct","sha256":"9770ea49aef7ae7b90fcfe7d34158c631f974a1bc7e4a68a3c24e91e61f8102e","bytes":2991882,"retrievedAt":"2026-11-04T00:41:23Z","filenameBasis":"source-url","revision":"","hosted":false,"redistribution":"restricted","validation":"archive-inspected","documentNumber":"ml-2-3d-step-files.zip","rightsReview":{"checkedAt":"2026-11-04","sources":["https://deif-cdn-umbraco.azureedge.net/media/w0xgfpmj/ml-2-3d-step-files.zip?rnd=133627573776900000&v=9","https://www.deif.com/terms-of-use/"],"note":"The DEIF terms apply across its group websites and require written permission for public copying, republication, uploading and distribution."}},{"id":"9be60f8d03e336b767a3","name":"ml-2-controller-2d-pdf.pdf","format":"PDF","purpose":"Manufacturer drawing reference ml-2-controller-2d-pdf.pdf","url":"https://deif-cdn-umbraco.azureedge.net/media/52bd32ga/ml-2-controller-2d-pdf.pdf?rnd=133627494291970000&v=9","availability":"direct","sha256":"9be60f8d03e336b767a33bc8ae8e27aa2aed64c6b1438903c40828fbe6256c26","bytes":122842,"retrievedAt":"2026-11-04T01:50:48Z","filenameBasis":"source-url","revision":"","hosted":false,"redistribution":"restricted","validation":"signature-checked","documentNumber":"ml-2-controller-2d-pdf.pdf","rightsReview":{"checkedAt":"2026-11-04","sources":["https://deif-cdn-umbraco.azureedge.net/media/52bd32ga/ml-2-controller-2d-pdf.pdf?rnd=133627494291970000&v=9","https://www.deif.com/terms-of-use/"],"note":"The DEIF terms apply across its group websites and require written permission for public copying, republication, uploading and distribution."}},{"id":"1c863f821ba8a51dece1","name":"ml-2-controller-3d-pdf.pdf","format":"PDF","purpose":"Manufacturer drawing reference ml-2-controller-3d-pdf.pdf","url":"https://deif-cdn-umbraco.azureedge.net/media/e0blafoo/ml-2-controller-3d-pdf.pdf?rnd=133698354405000000&v=9","availability":"direct","sha256":"1c863f821ba8a51dece1d07c8eff4d9fee20ca1e5f3b6696b367b355f008c386","bytes":1169024,"retrievedAt":"2026-11-04T01:50:51Z","filenameBasis":"source-url","revision":"","hosted":false,"redistribution":"restricted","validation":"signature-checked","documentNumber":"ml-2-controller-3d-pdf.pdf","rightsReview":{"checkedAt":"2026-11-04","sources":["https://deif-cdn-umbraco.azureedge.net/media/e0blafoo/ml-2-controller-3d-pdf.pdf?rnd=133698354405000000&v=9","https://www.deif.com/terms-of-use/"],"note":"The DEIF terms apply across its group websites and require written permission for public copying, republication, uploading and distribution."}}],"fileClasses":["manufacturer ZIP file","manufacturer PDF reference"],"configurationNote":"Manufacturer reference ml-2-2d-cad-drawings.zip; ml-2-3d-step-files.zip; ml-2-controller-2d-pdf.pdf identifies this protection or metering reference.","technicalFacts":[{"label":"Source configurations grouped on this page","value":"APU-4; MDR-2","sourceUrl":"https://www.deif.com/documentation/apu-4/"},{"label":"Manufacturer reference","value":"ml-2-2d-cad-drawings.zip; ml-2-3d-step-files.zip; ml-2-controller-2d-pdf.pdf; ml-2-controller-3d-pdf.pdf","sourceUrl":"https://www.deif.com/documentation/apu-4/"},{"label":"Manufacturer lifecycle","value":"Active","sourceUrl":"https://www.deif.com/documentation/"},{"label":"Manufacturer reference","value":"ml-2-2d-cad-drawings.zip; ml-2-3d-step-files.zip; ml-2-controller-2d-pdf.pdf; ml-2-controller-3d-pdf.pdf","sourceUrl":"https://www.deif.com/documentation/mdr-2/"}],"drawingNumber":"ml-2-2d-cad-drawings.zip; ml-2-3d-step-files.zip; ml-2-controller-2d-pdf.pdf","equipmentFacts":[{"label":"Equipment / resource","value":"APU-4"},{"label":"Manufacturer","value":"DEIF"},{"label":"Resource type","value":"Product"},{"label":"Manufacturer drawing","value":"ml-2-2d-cad-drawings.zip; ml-2-3d-step-files.zip; ml-2-controller-2d-pdf.pdf"},{"label":"Source configurations grouped on this page","value":"APU-4; MDR-2"},{"label":"Manufacturer reference","value":"ml-2-2d-cad-drawings.zip; ml-2-3d-step-files.zip; ml-2-controller-2d-pdf.pdf; ml-2-controller-3d-pdf.pdf"},{"label":"Manufacturer lifecycle","value":"Active"},{"label":"Listed file formats","value":"PDF, ZIP"},{"label":"Listed files","value":"4"},{"label":"Available previews","value":"Manufacturer source / drawing request"},{"label":"Recorded revisions","value":"Confirm the revision with the manufacturer"},{"label":"Source checked","value":"2026-11-04"},{"label":"Download access","value":"Use the official manufacturer source or request the exact drawing"}],"relatedReferences":[{"name":"Protection relay IED","url":"https://eloragrid.ai/objects/ga-protection-relay-ied"},{"name":"Power quality meter","url":"https://eloragrid.ai/objects/ga-power-quality-meter"}],"fileChoiceGuidance":["ml-2-2d-cad-drawings.zip is a manufacturer archive. Select the exact named member after checking its inventory. The full ZIP is one source package. ml-2-3d-step-files.zip is a manufacturer archive. Select the exact named member after checking its inventory. The full ZIP is one source package. Use ml-2-controller-2d-pdf.pdf to read the original manufacturer sheet and its annotations. ml-2-controller-3d-pdf.pdf contains interactive 3D PDF content. Use a compatible PDF application. It is not supplied as a flat browser drawing; choose the matching STEP file where listed."],"plainEnglish":{"title":"Using the APU-4 reference","introduction":"DEIF APU-4: protection or metering reference for protection-panel and metering arrangement. Manufacturer reference ml-2-2d-cad-drawings.zip; ml-2-3d-step-files.zip; ml-2-controller-2d-pdf.pdf.","example":"ml-2-2d-cad-drawings.zip is a manufacturer archive. Select the exact named member after checking its inventory. The full ZIP is one source package.","drawings":"ml-2-2d-cad-drawings.zip is a manufacturer archive. Select the exact named member after checking its inventory. The full ZIP is one source package. ml-2-3d-step-files.zip is a manufacturer archive. Select the exact named member after checking its inventory. The full ZIP is one source package. Use ml-2-controller-2d-pdf.pdf to read the original manufacturer sheet and its annotations. ml-2-controller-3d-pdf.pdf contains interactive 3D PDF content. Use a compatible PDF application. It is not supplied as a flat browser drawing; choose the matching STEP file where listed.","terms":[],"diagram":"flow","steps":["Identify APU-4","Select the drawing or model","Check the mounting interface"],"caption":"Manufacturer reference ml-2-2d-cad-drawings.zip; ml-2-3d-step-files.zip; ml-2-controller-2d-pdf.pdf identifies this protection or metering reference.","sources":[{"label":"DEIF source","url":"https://www.deif.com/documentation/apu-4/"}],"questions":[{"question":"What can I use the APU-4 reference for?","answer":"Use this protection or metering reference for protection-panel and metering arrangement. Check the exact case, terminal arrangement and mounting option. A device outline does not determine protection settings, CT ratios or the electrical design of the protected circuit."},{"question":"Which manufacturer reference identifies this drawing?","answer":"DEIF reference ml-2-2d-cad-drawings.zip; ml-2-3d-step-files.zip; ml-2-controller-2d-pdf.pdf. The file list retains the original source and recorded revision."}],"checklist":["Check the exact case, terminal arrangement and mounting option. A device outline does not determine protection settings, CT ratios or the electrical design of the protected circuit.","This page groups 2 source references for the same configuration or model geometry. The file list retains the separate formats and source revisions."]},"canonicalUrl":"https://eloragrid.ai/tools/cad-library/equipment/deif-apu-4-29b09bb3a7"}